Create an invisible shield against your skins worst enemy. Convenient, take-anywhere formulas ensure youre always covered. Research has found that antioxidant vitamins are as important as sunscreens when defending skin from the aging and burning effects of damaging ultraviolet (UV) light and free radicals. For this reason, Dermalogica products feature UV Smart Booster Technology, a customized microcapsule that safeguards active vitamins, then bursts open upon contact with UV rays, releasing an active ingredient complex of Vitamin C and Vitamin E for maximum free radical protection.